30342631 has 8 divisors (see below), whose sum is σ = 33568128. Its totient is φ = 27195000.

The previous prime is 30342619. The next prime is 30342673. The reversal of 30342631 is 13624303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30342631 is a prime.

It is a super-2 number, since 2×30342631² = 1841350512004322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30342691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18645 + ... + 20206.

It is an arithmetic number, because the mean of its divisors is an integer number (4196016).

Almost surely, 2^30342631 is an apocalyptic number.

30342631 is a deficient number, since it is larger than the sum of its proper divisors (3225497).

30342631 is a wasteful number, since it uses less digits than its factorization.

30342631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38933.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 30342631 is about 5508.4145631933. The cubic root of 30342631 is about 311.9017024057.

Adding to 30342631 its reverse (13624303), we get a palindrome (43966934).

It can be divided in two parts, 3034 and 2631, that added together give a palindrome (5665).

The spelling of 30342631 in words is "thirty million, three hundred forty-two thousand, six hundred thirty-one".